The Creative World’s Bullshit Industrial Complex
99u.com
99u.com
And by the time it reaches the internet forums (the Digitalpoint/Warrior Forum kind), it usually ends up coming down to something akin to 'Step 1, find fame. Step 2, write eBook. Step 3, sell to suckers on internet forums'.
There are whole networks of business/startup podcasts where hosts interview knowledgable entrepreneurs to share tips & tricks. More often than not the entrepreneurs themselves are hosts of other podcasts and their company/product is their podcast.
It's the same reason celebrities follow each other on social media.